This manual is intended to assist the technician in properly overhauling MACK E7 engines. The manual is divided into nine major sections.Working on the E7 engine is not difficult, but like most present-day precision equipment, it requires proper tools and knowledge.

The overhaul procedures are separated into three sections: engine disassembly, bench procedures and engine assembly. Each section contains detailed procedures that must be followed in the order specified. If a step calls for a procedure that has already been described earlier in the manual, you will be referred to the section where the original procedure appeared. This manual covers the overhaul of an engine once it is removed from the vehicle, but also gives instructions for removing the engine from a nonspecified chassis.

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